EP0756394A3 - Method and circuit for clock synchronisation of a digital coder and decoder - Google Patents

Method and circuit for clock synchronisation of a digital coder and decoder Download PDF

Info

Publication number
EP0756394A3
EP0756394A3 EP96401674A EP96401674A EP0756394A3 EP 0756394 A3 EP0756394 A3 EP 0756394A3 EP 96401674 A EP96401674 A EP 96401674A EP 96401674 A EP96401674 A EP 96401674A EP 0756394 A3 EP0756394 A3 EP 0756394A3
Authority
EP
European Patent Office
Prior art keywords
decoder
circuit
clock synchronisation
digital coder
coder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP96401674A
Other languages
German (de)
French (fr)
Other versions
EP0756394A2 (en
Inventor
Claude Rambault
Thierry Bassi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Technicolor SA
Original Assignee
Thomson Multimedia SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Multimedia SA filed Critical Thomson Multimedia SA
Priority to EP05100586A priority Critical patent/EP1545032A3/en
Publication of EP0756394A2 publication Critical patent/EP0756394A2/en
Publication of EP0756394A3 publication Critical patent/EP0756394A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H04N21/23406—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving management of server-side video buffer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
    • H04J3/0632—Synchronisation of packets and cells, e.g. transmission of voice via a packet network, circuit emulation service [CES]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
    • H04N21/4305—Synchronising client clock from received content stream, e.g. locking decoder clock with encoder clock, extraction of the PCR packets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer
EP96401674A 1995-07-28 1996-07-25 Method and circuit for clock synchronisation of a digital coder and decoder Withdrawn EP0756394A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05100586A EP1545032A3 (en) 1995-07-28 1996-07-25 Method and device for synchronisation of clocks of digital encoders and decoders

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9509261 1995-07-28
FR9509261A FR2737367B1 (en) 1995-07-28 1995-07-28 METHOD AND DEVICE FOR SYNCHRONIZING CLOCK OF DIGITAL ENCODERS AND DECODERS

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP05100586A Division EP1545032A3 (en) 1995-07-28 1996-07-25 Method and device for synchronisation of clocks of digital encoders and decoders

Publications (2)

Publication Number Publication Date
EP0756394A2 EP0756394A2 (en) 1997-01-29
EP0756394A3 true EP0756394A3 (en) 1997-04-16

Family

ID=9481529

Family Applications (2)

Application Number Title Priority Date Filing Date
EP05100586A Withdrawn EP1545032A3 (en) 1995-07-28 1996-07-25 Method and device for synchronisation of clocks of digital encoders and decoders
EP96401674A Withdrawn EP0756394A3 (en) 1995-07-28 1996-07-25 Method and circuit for clock synchronisation of a digital coder and decoder

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP05100586A Withdrawn EP1545032A3 (en) 1995-07-28 1996-07-25 Method and device for synchronisation of clocks of digital encoders and decoders

Country Status (4)

Country Link
US (1) US6005872A (en)
EP (2) EP1545032A3 (en)
JP (1) JPH09191296A (en)
FR (1) FR2737367B1 (en)

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WO1998044641A2 (en) * 1997-02-14 1998-10-08 Massachusetts Institute Of Technology Optical bit rate converter
US6731627B1 (en) * 1998-11-17 2004-05-04 Cisco Technology, Inc. Virtual loop carrier system
DE19924573A1 (en) * 1999-05-28 2000-12-07 Siemens Ag Method for transmitting HDLC-oriented, burst-like data over a transmission channel
AT5327U1 (en) * 2000-03-06 2002-05-27 Keroe Nikolaus Dipl Ing METHOD FOR SYNCHRONIZING COMPUTER WATCHES IN NETWORKS FOR INFORMATION TRANSFER, DEVICE FOR CARRYING OUT THIS METHOD AND DATA PACKAGE SUITABLE FOR SYNCHRONIZING COMPUTER WATCHES
US6441602B1 (en) * 2000-09-26 2002-08-27 International Business Machines Corporation Method and apparatus for determining phase locked loop jitter
US6807638B1 (en) * 2000-12-29 2004-10-19 Cisco Systems O.I.A. (1988) Ltd. Apparatus for and method of in-band clock compensation
EP1444832A1 (en) * 2001-11-14 2004-08-11 Matsushita Electric Industrial Co., Ltd. Method for correcting clock frequency, receiving apparatus, reproducing apparatus, and program
US7343087B2 (en) * 2002-11-12 2008-03-11 Matsushita Electric Industrial Co., Ltd. Data stream playback device and method, digital broadcast receiver and related computer program
EP1639601B1 (en) * 2003-03-28 2010-12-29 Thomson Licensing Asynchronous jitter reduction technique
KR100517502B1 (en) * 2003-05-26 2005-09-28 삼성전자주식회사 Apparatus and method for reproducing signal from DVI/HDMI compatible connector
KR20050015913A (en) * 2003-08-14 2005-02-21 삼성전자주식회사 Apparatus and method for transmitting/receiving pilot in an orthogonal frequency division multiplexing communication system
US20060251126A1 (en) * 2005-05-04 2006-11-09 Teng-Yi Jen Method and device for synchronizing clock at transport stream receiving end
TW200731702A (en) * 2005-07-29 2007-08-16 Koninkl Philips Electronics Nv Data stream synchronization
ATE547903T1 (en) * 2008-05-30 2012-03-15 Oticon As QUALITY CONNECTION FOR LOW LATENCY SOUND TRANSMISSION
FR2947408B1 (en) * 2009-06-25 2011-07-29 Canon Kk METHOD AND DEVICE FOR CONFIGURING DATA TRANSMISSION OF SUB-NETWORKS
EP2523372A1 (en) * 2011-05-09 2012-11-14 British Telecommunications Public Limited Company Content delivery system
US8971471B2 (en) * 2011-12-07 2015-03-03 Imagine Communications Corp. Predictable coding delay over communications networks
US11115693B2 (en) * 2019-03-27 2021-09-07 Advanced Micro Devices, Inc. Source clock recovery in wireless video systems

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0374537A2 (en) * 1988-12-19 1990-06-27 Alcatel N.V. Demultiplexer with a circuit for the reduction of the waiting time jitter
EP0394051A2 (en) * 1989-04-21 1990-10-24 Codex Corporation Controlling clock frequencies in a communications network
EP0618695A2 (en) * 1993-03-31 1994-10-05 Sony Corporation Multiplexing encoded data signals

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
FR2479620B1 (en) * 1980-03-28 1988-01-08 Thomson Csf DEVICE FOR SYNCHRONIZING PACKET TRANSMITTED DIGITAL INFORMATION AND RECEIVER COMPRISING SUCH A DEVICE
JPS63136852A (en) * 1986-11-28 1988-06-09 Sony Corp Signal transmission system
JP2937529B2 (en) * 1991-03-27 1999-08-23 日本電気株式会社 Clock recovery circuit
US5287182A (en) * 1992-07-02 1994-02-15 At&T Bell Laboratories Timing recovery for variable bit-rate video on asynchronous transfer mode (ATM) networks
FR2693864B1 (en) * 1992-07-17 1994-08-26 Thomson Csf Method and device for synchronizing a decoder connected to an asynchronous transmission network, in particular of the ATM type.
US5502727A (en) * 1993-04-20 1996-03-26 At&T Corp. Image and audio communication system having graphical annotation capability
US5486864A (en) * 1993-05-13 1996-01-23 Rca Thomson Licensing Corporation Differential time code method and apparatus as for a compressed video signal
US5381181A (en) * 1993-05-13 1995-01-10 Thomson Consumer Electronics, Inc. Clock recovery apparatus as for a compressed video signal
SE515201C2 (en) * 1993-11-26 2001-06-25 Ericsson Telefon Ab L M Method and apparatus for clock signal generation
US5572556A (en) * 1995-03-07 1996-11-05 Nec Corporation Method and system for controlling of reproduction of sampling signal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0374537A2 (en) * 1988-12-19 1990-06-27 Alcatel N.V. Demultiplexer with a circuit for the reduction of the waiting time jitter
EP0394051A2 (en) * 1989-04-21 1990-10-24 Codex Corporation Controlling clock frequencies in a communications network
EP0618695A2 (en) * 1993-03-31 1994-10-05 Sony Corporation Multiplexing encoded data signals

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
COCHENNEC J ET AL: "Asynchronous time-division networks: terminal synchronization for video and sound signals", GLOBECOM '85. IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE. CONFERENCE RECORD. COMMUNICATION TECHNOLOGY TO PROVIDE NEW SERVICES (CAT. NO.85CH2190-7), NEW ORLEANS, LA, USA, 2-5 DEC. 1985, 1985, NEW YORK, NY, USA, IEEE, USA, pages 791 - 794 vol.2, XP002000797 *
DE PRYCKER M ET AL: "Terminal synchronization in asynchronous networks", IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS '87: COMMUNICATIONS-SOUND TO LIGHT. PROCEEDINGS (CAT. NO.87CH2424-0), SEATTLE, WA, USA, 7-10 JUNE 1987, 1987, NEW YORK, NY, USA, IEEE, USA, pages 800 - 807 vol.2, XP002000798 *
HESSENMUELLER H ET AL: "HIGH-QUALITY VIDEO AND AUDIO SIGNAL TRANSMISSION IN A BROADBAND ISDN BASED ON ATD", EBU REVIEW- TECHNICAL, no. 247, 1 June 1991 (1991-06-01), pages 124 - 131, XP000228454 *

Also Published As

Publication number Publication date
EP1545032A2 (en) 2005-06-22
US6005872A (en) 1999-12-21
FR2737367A1 (en) 1997-01-31
JPH09191296A (en) 1997-07-22
EP0756394A2 (en) 1997-01-29
FR2737367B1 (en) 1997-10-17
EP1545032A3 (en) 2008-07-02

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